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Finding the Fourth Proportional to 306,889.59, 460,039.12 and 157,200.37

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Solution

The fourth proportional to 306,889.59, 460,039.12 and 157,200.37 is: 235,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,889.59 : 460,039.12 = 157,200.37 : x
  2. Step 2: Convert to fraction form
    306,889.59/460,039.12 = 157,200.37/x
  3. Step 3: Cross multiply
    306,889.59x = 460,039.12 × 157,200.37
  4. Step 4: Simplify right side
    306,889.59x = 72,318,319,878.47
  5. Step 5: Solve for x
    x = 72,318,319,878.47/306,889.59
  6. Step 6: Final answer
    x = 235,649.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.